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  • A light blue Blktide Heavyweight Tee shown on a clean white background above a size chart and fit notes. The chart lists weight and height ranges with corresponding size labels from S to 4XL, and includes a small circular chest logo on the shirt.
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Color
Size

Offshore Tee-Black Mark

Offshore Tee-Black Mark

$35.00 USD
$35.00 USD
Sale Sold out
Shipping calculated at checkout.

The Offshore Tee is crafted from premium heavyweight cotton for lasting comfort and durability. Featuring a relaxed, true-to-size fit, it's built for everyday wear whether you're on the water or exploring the coast. Plus, 10% of every purchase supports ocean and marine life conservation. 🌊

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what we are about

ocean made

BLKTIDE was founded with a simple belief: the ocean deserves more than admiration—it deserves protection.

We create timeless, premium apparel inspired by the sea and built for everyday wear. Every collection reflects our commitment to quality, simplicity, and the conservation of our oceans for generations to come.

our impact

The ocean inspires everything we create, and protecting it is at the heart of BLKTIDE.

That's why 10% of every purchase is dedicated to supporting organizations focused on ocean conservation, marine research, habitat restoration, and responsible ocean management.

Every order helps fund efforts to protect marine ecosystems, preserve wildlife, and ensure future generations can continue to experience the beauty and power of the sea.

Wear the mission. Protect the ocean.

Free shipping and returns

Shipping

• Orders ship within 1–4 business days.

• Tracking information is emailed once your order has shipped.

• Free shipping on orders over $75

Returns

• Returns accepted within 30 days of delivery.

• Items must be unworn, unwashed, and in original condition.

• See our full return policy for details.